Chassis and display device having the same

ABSTRACT

A chassis set includes a first chassis and a second chassis. The first chassis includes a first connecting portion having at least one guide protrusion. The second chassis includes a second connecting portion having at least one guide hole that receives the guide protrusion of the first chassis to combine the first and second chassis. Therefore, a manufacturing cost is reduced and productivity is enhanced. Additionally, the chassis can be made easily.

CROSS-REFERENCE TO RELATED APPLICATION

This application relies for priority upon Korean Patent Application No.2004-00900 filed on Jan. 7, 2004, the contents of which are hereinincorporated by reference in its entirety.

1. Field of the Invention

The present invention relates to a chassis and a display device havingthe chassis. More particularly, the present invention relates to achassis for a large display device and a display device having thechassis.

2. Description of the Related Art

A liquid crystal display (LCD) is a kind of flat panel displays.Compared to other flat panel displays, an LCD has many merits. It isthin and light. It can be driven with low voltages. It consumes lesspower than other displays. Therefore, LCDs are used in various fields.

Generally, an LCD includes a display unit that displays images on it, abacklight assembly that generates light and provides it to the displayunit, and a top chassis that fixes the display unit to the backlightassembly.

The display unit includes an LCD panel. The LCD panel includes a thinfilm transistor (TFT) substrate, a color filter substrate, and a liquidcrystal layer. The TFT substrate includes a plurality of pixelelectrodes and a plurality of TFTs arranged in a matrix shape. The colorfilter substrate includes color filters facing the pixel electrodes, anda common electrode. The liquid crystal layer is interposed between theTFT substrate and the color filter substrate.

The backlight assembly includes a lamp, an optical member, and areceiving container. The lamp generates light. The optical member guidesthe light generated from the lamp to be used efficiently in the displayunit. The receiving container receives the lamp and the optical member.The backlight assembly may be classified into an edge illumination typeand a direct illumination type according to a position of the lamp.

The top chassis fixes the LCD panel to the backlight assembly. The topchassis is made of a strong material like stainless steel for anexample. Upper portions of the top chassis surround the LCD panel andcompress the LCD panel toward the backlight assembly. Side portions ofthe top chassis are combined with side portions of the receivingcontainer. Therefore, the LCD panel is fixed to the backlight assembly.The top chassis may be formed by a pressing method.

Recently, display devices become bigger and bigger. Accordingly, LCDpanels and chassis need to be bigger. The bigger chassis are made, themore material is wasted because of the pressing method. Therefore theproductivity of the display decreases. Furthermore, when the top chassisof a large LCD is formed in one body, the top chassis may be easilytwisted or deformed by heat or other forces so that a backlight assemblymay not be fixed firmly with the display unit.

SUMMARY OF THE INVENTION

The present invention provides a chassis that reduces manufacturing costand increases quality of displays.

The present invention also provides a display device having theabove-mentioned chassis.

In an exemplary chassis according to the present invention, the chassisincludes a first chassis and a second chassis. The first chassisincludes a first connecting portion having at least one guideprotrusion. The second chassis includes a second connecting portionhaving at least one guide hole that receives the guide protrusion of thefirst chassis to combine the first and the second chassis.

In another exemplary chassis according to the present invention, thechassis set includes first, second, third and fourth chassis. The firstchassis includes a first connecting portion having a first guideprotrusion and a second connecting portion having a second guideprotrusion. The second chassis is disposed substantially parallel withthe first chassis. The second chassis includes a third connectingportion having a third guide protrusion and a fourth connecting portionhaving a fourth guide protrusion. The third chassis includes a fifthconnecting portion having a first guide hole that receives the firstguide protrusion of the first chassis to combine the first and the thirdchassis and a sixth connecting portion having a second guide hole thatreceives the third guide protrusion to combine the second and the thirdchassis. The fourth chassis includes a seventh connecting portion havinga third guide hole that receives the second guide protrusion of thefirst chassis to combine the first and the fourth chassis and an eighthconnecting portion having a fourth guide hole that receives the fourthguide protrusion to combine the second and the fourth chassis.

In an exemplary display according to the present invention, the displayincludes a backlight assembly, an LCD panel, and a chassis set. Thebacklight assembly generates light. The LCD panel displays images byusing the light that comes from the backlight assembly. The chassis setfixes the liquid crystal display panel to the backlight assembly. Thechassis set includes first and second chassis combined with each other.The first chassis has a guide protrusion, and the second chassis has aguide hole that receives the guide protrusion.

The chassis may be a chassis piece, a chassis part, etc.

Therefore, an LCD can be made cheaper and a productivity of the displaybecomes better. Additionally, reliability of the chassis becomes better.Furthermore, the chassis is easily made.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is an exploded perspective view illustrating a chassis setaccording to an exemplary embodiment of the present invention;

FIG. 2 is an enlarged view illustrating the portion ‘A’ in FIG. 1;

FIG. 3 is a plan view illustrating a combination of a first connectingportion and a fifth connecting portion in FIG. 2;

FIG. 4 is a perspective view showing a first chassis and a third chassisin FIG. 2;

FIG. 5 is a cross-sectional view illustrating a combination between thefirst and the third chassis in FIG. 4;

FIG. 6 is a perspective view illustrating a combination between thefirst and the third chassis in accordance with another exemplaryembodiment;

FIG. 7 is a perspective view illustrating a chassis set according toanother exemplary embodiment of the present invention;

FIG. 8 is an exploded perspective view illustrating a liquid crystaldisplay according to an exemplary embodiment of the present invention;and

FIG. 9 is a cross-sectional view illustrating a combination between thefirst and the third chassis according to another exemplary embodiment ofthe present invention.

DESCRIPTION OF EMBODIMENTS

Hereinafter the embodiments of the present invention will be describedin detail with reference to the accompanied drawings.

FIG. 1 is an exploded perspective view illustrating a chassis setaccording to an exemplary embodiment of the present invention.

Referring to FIG. 1, a chassis set 100 according to an exemplaryembodiment of the present invention includes the first chassis 110, thesecond chassis 120, the third chassis 130 and the fourth chassis 140.

The first chassis 110 includes the first connecting portion 111 and thesecond connecting portion 112. The first connecting portion 111 andsecond connecting portion 112 are opposite to each other. The firstconnecting portion 111 includes first guide protrusions 113 protrudingupward. The second connecting portion 112 includes second guideprotrusions 114 protruding upward. The second guide protrusions 114 havesubstantially same structure as that of the first guide protrusions 113.

The second chassis 120 is substantially parallel with the first chassis110. The second chassis 120 includes third connecting portion 121 andfourth connecting portion 122. The third connection portion 121 andfourth connecting portion 122 are disposed opposite to each other. Thethird connecting portion 121 includes third guide protrusions 123protruding upward. The fourth connecting portion 122 includes fourthguide protrusions 124 protruding upward. The third guide protrusion 123and the fourth guide protrusion 124 have substantially same structure asthat of the first guide protrusion 113 and second guide protrusion 114.

The third chassis 130 includes the first body portion 131, the secondbody portion 132, and the third body portion 133. The first body portion131 is substantially perpendicular to the first chassis 110 and thesecond chassis 120. The second body portion 132 is extended from a firstend of the first body portion 131 such that the second body portion 132is substantially perpendicular to the first body portion 131. The secondbody portion 132 includes the fifth connecting portion 134. The fifthconnecting portion 134 includes first guide holes 136. The first guideprotrusions 113 of the first connecting portion 111 are inserted intothe first guide holes 136 of the fifth connecting portion 134, so thatthe fifth connecting portion 134 is combined with the first connectingportion 111 of the first chassis 110. Therefore, the first chassis 110and the third chassis 130 are combined with each other. The third bodyportion 133 is extended from a second end of the first body portion 131such that the third body portion 133 is substantially perpendicular tothe first body portion 131. The third body portion 133 includes thesixth connecting portion 135. The sixth connecting portion 135 includesthe second guide holes 137. The third guide protrusions 123 of the thirdconnecting portion 121 are inserted into the second guide holes 137 ofthe sixth connecting portion 135, so that the sixth connecting portion135 is combined with the third connecting portion 121 of the secondchassis 120. Therefore, the second chassis 120 and third chassis 130 arecombined with each other.

The fourth chassis 140 includes the fourth body portion 141, the fifthbody portion 142, and the sixth body portion 143. The fourth bodyportion 141 is substantially perpendicular to the first chassis 110 andthe second chassis 120. The fifth body portion 142 is extended from thefirst end of the fourth body portion 141 such that the fifth bodyportion 142 is substantially perpendicular to the fourth body portion141. The fifth body portion 142 includes a seventh connecting portion144. The seventh connecting portion 144 includes third guide holes 146.The second guide protrusions 114 of the second connecting portion 112are inserted into the third guide holes 146 of the seventh connectingportion 144, so that the seventh connecting portion 144 is combined withthe second connecting portion 112 of the first chassis 110. Therefore,the first chassis 110 and the fourth chassis 140 are combined with eachother. The sixth body portion 143 is extended from a second end of thefourth body portion 141 such that the sixth body portion 143 issubstantially perpendicular to the fourth body portion 141. The sixthbody portion 143 includes an eighth connecting portion 145. The eighthconnecting portion 145 includes fourth guide holes 147. The fourth guideprotrusions 124 of the fourth connecting portion 122 are inserted intothe fourth guide holes 147 of the eighth connecting portion 145, so thatthe eighth connecting portion 145 is combined with the fourth connectingportion 122 of the second chassis 120. Therefore, the second chassis 120and the fourth chassis 140 are combined with each other.

According to the present embodiment, the first chassis 110, secondchassis 120, third chassis 130, and fourth chassis 140 are combined toone another to form the chassis set 100 having a rectangular shape.

FIG. 2 is an enlarged view illustrating a portion ‘A’ in FIG. 1, andFIG. 3 is a plan view illustrating a combination of a first connectingportion and a fifth connecting portion in FIG. 2.

Referring to FIGS. 2 and 3, the first chassis 110 and the second chassis130 are combined with each other through the first connecting portions111 and the fifth connecting portions 134.

The first connecting portion 111 includes the first guide protrusions113. The first guide protrusions 113 include the first protrusion 113 a,the second protrusion 113 b, and the third protrusion 113 c. Theprotrusions 113 a, 113 b, and 113 c may have substantially identicalshape. The protrusions 113 a, 113 b and 113 c have, for example, acircular cross-sectional shape.

The fifth connecting portion 134 includes the first guide holes 136. Thefirst guide holes 136 include first hole 136 a, second hole 136 b, andthird hole 136 c. The holes 136 a, 136 b and 136 c receive theprotrusions 113 a, 113 b and 113 c, respectively. That is, theprotrusions 113 a, 113 b and 113 c are inserted into the holes 136 a,136 b and 136 c, respectively.

The first hole 136 a has a circular shape such that the first hole 136corresponds to the first protrusion 113 a. The first hole 136 a has adiameter that is slightly greater than the diameter of the firstprotrusion 113 a. Therefore, the first protrusion 113 a is inserted intothe first hole 136 a so that the first protrusion 113 a is fixed to thefirst hole 136 a by the first hole 136 a.

The second hole 136 b has, for example, an oval shape having a majoraxis that is substantially parallel with a first direction. The firstdirection is substantially perpendicular to a longitudinal direction ofthe first chassis 110. The second hole 136 b prevents the secondprotrusion 113 b from moving along a second direction that issubstantially perpendicular to the first direction. Therefore, thesecond hole 136 b guides the first chassis 110 to be disposed at aproper position along the second direction that corresponds to alongitudinal direction of the first chassis 110.

The third hole 136 c has, for example, an oval shape having a major axisthat is substantially parallel with the second direction. The third hole136 c prevents the third protrusion 113 c from moving along the firstdirection. Therefore, the third hole 136 c guides the first chassis 110to be disposed at a proper position along the first direction thatcorresponds to a longitudinal direction of the third chassis 130.

Therefore, the holes 136 a, 136 b and 136 c guide the first chassis 110to be properly disposed.

Alternatively, the first guide protrusions 113 may include only oneprotrusion and the first guide holes 136 may include only one holecorresponding to the protrusion. Alternatively, the first guideprotrusions 113 and the first guide holes 136 may include a plurality ofprotrusions.

Additionally, the first guide protrusions 113 and the first guide holes136 may have other shape. The first guide protrusions 113 and the firstguide holes 136 may have a polygonal shape such as a rectangular shape.

The first connecting portion 111 further includes at least one firstcombination hole 115, and the fifth connecting portion 134 furtherincludes at least one first through-hole 138 corresponding to the firstcombination hole 115.

When the first connecting portion 111 and the fifth connecting portion134 are temporarily combined with each other by the first guideprotrusions 113 and the first guide holes 136, the first connectingportion 111 and the fifth connecting portion 134 are permanentlycombined with each other through a screw penetrating the firstcombination hole 115 and the first through-hole 138.

The first connecting portion 111 and the fifth connecting portion 134are permanently combined with each other, for example, through a spotwelding, etc.

FIG. 4 is a perspective view shown from a first chassis and a thirdchassis in FIG. 2, and FIG. 5 is a cross-sectional view illustrating acombination between the first and third chassis in FIG. 4.

Referring to FIGS. 4 and 5, the first chassis 110 may further include afirst recessed portion (or a first inverse stepped portion) 116. Thefirst recessed portion 116 is formed at end portions of the firstchassis 110. The first chassis 110 has a thickness t₀, and a lowerportion is removed by a thickness t₁ to form the first recessed portion116.

The third chassis 130 further includes a first protruding portion (orfirst stepped portion) 139. The first protruding portion 139 isprotruded from an end portion of the third chassis 130 to have a steppedportion. The first protruding portion 139 has a thickness t₁ that issubstantially same as the recessed length or the first recessed portion116 such that the first protruding portion 139 fits to the firstrecessed portion 116.

A contacting surface of the first recessed portion 116 and the firstprotruding portion 139 may be inclined with respect to an upper surfaceof the chassis 110 and 130.

The first protruding portion 139 absorbs impact applied from outside ofthe display 300. The first protruding portion 139 and the recessedportion 116 may be extended along the end portion to prevent light fromleaking through a border between the first and the third chassis.

FIG. 6 is a perspective view illustrating a combination between thefirst chassis and third chassis in accordance with another exemplaryembodiment.

Referring to FIG. 6, a first chassis 110 includes a first connectingportion 111 formed along an upper face of the first chassis 110, and aninth connecting portion 211 formed along a side face of the firstchassis 110. A third chassis 130 includes a fifth connecting portion 134formed along an upper face of the third chassis 130, and a tenthconnecting portion 234 formed along a side face of the third chassis130. The first connecting portion 111 and the fifth connecting portions134 have substantially same structure as that in FIG. 2. Therefore, anyfurther explanations will be omitted.

The ninth connecting portion 211 and tenth connecting portion 234include at least one second through-hole 212 and at least one secondcombination hole 235 for screwing the second through-hole 212 to thesecond combination hole 235. The second combination hole 235 correspondsto the second through-hole 212.

The tenth connecting portion 234 may further include a guide protrusion(not shown), and the ninth connecting portion 211 may further include aguide hole that receives the guide protrusion.

Therefore, the first chassis 110 and the third chassis 130 are combinedmore tightly through the first and the fifth connecting portions formedalong the upper face of the chassis 110 and 130 and the ninth and thetenth connecting portions formed along the side face of the chassis 11Oand 130.

Hereinbefore, a combination between the chassis 110 and 130 is explainedreferring to FIGS. 2, 3, 4, 5, and 6. A combination between the firstand fourth chassis 110 and 140, a combination between the second andthird chassis 120 and 130, and a combination between the second andfourth chassis 120 and 140 are substantially same as that of the firstand third chassis 110 and 130. Therefore, any further explanations willbe omitted.

According to the present embodiment, the chassis set 100 includes fourpieces of first to fourth chassis 110, 120, 130 and 140. Therefore, theremnants of material that is used to form the top chassis decrease toreduce manufacturing cost and enhance productivity.

FIG. 7 is a perspective view illustrating a chassis set according toanother exemplary embodiment of the present invention.

Referring to FIG. 7, a chassis set 300 according to the presentembodiment includes a first chassis 310 and a second chassis 320.

The first chassis 310 includes the first body portion 311, the secondbody portion 312, and the third body portion 313. The second bodyportion 312 is extended from a first end of the first body portion 311such that the second body portion 312 is substantially perpendicular tothe first body portion 311. The third body portion 313 is extended froma second end of the first body portion 311 such that the third bodyportion 313 is substantially parallel with the second body portion 312.The second body portion 312, for example, is longer than the third bodyportion 313. Alternatively, the second and the third body portions mayhave substantially same length as each other.

The second body portion 312 includes a first connecting portion 314. Thefirst connecting portion 314 includes first guide protrusions 316. Thefirst connecting portion 314 has a substantially same structure as thefirst connecting portion 111 described in FIGS. 2 and 3.

The third body portion 313 includes a second connecting portion 315. Thesecond connecting portion 315 includes first guide holes 317. The secondconnecting portion 315 has a substantially same structure as the fifthconnecting portion 134 described in FIGS. 2 and 3.

The second chassis 320 includes the fourth body portion 321, the fifthbody portion 322, and the sixth body portion 323. The fourth bodyportion 321 is disposed such that the fourth body portion 321 issubstantially parallel with the first body portion 311 of the firstchassis 310. The fifth body portion 322 is extended from a first end ofthe fourth body portion 321 such that the fifth body portion 322 issubstantially perpendicular to the fourth body portion 321. The sixthbody portion 323 is extended from a second end of the fourth bodyportion 321 such that the sixth body portion 323 is substantiallyparallel with the fifth body portion 322. The fifth body portion 322,for example, is longer than the sixth body portion 323. Alternatively,the fifth and the sixth body portions may have substantially same lengthas each other.

The fifth body portion 322 includes a third connecting portion 324. Thethird connecting portion 324 includes second guide protrusions 326. Thethird connecting portion 314 has substantially same structure as thefirst connecting portion 314.

The sixth body portion 323 includes a fourth connecting portion 325. Thefourth connecting portion 325 includes second guide holes 327. Thefourth connecting portion 325 has substantially same structure as thesecond connecting portion 315.

FIG. 8 is an exploded perspective view illustrating a liquid crystaldisplay according to an exemplary embodiment of the present invention.

Referring to FIG. 8, a liquid crystal display (LCD) 1000 according tothe present embodiment includes a backlight assembly 400, a display unit500, and a chassis 600.

The chassis set 600 may be one of chassis sets in FIGS. 1 to 7. That is,the chassis set 600 includes two or more pieces combined together toform a rectangular shape. Therefore, any further explanation will beomitted.

The backlight assembly 400 includes a lamp unit 410 that generateslight, an optical member 420 that modifies the transfer paths and/or thepolarization of the light, and a receiving container 430 that receivesthe lamp unit 410 and the optical member 420.

The lamp unit 410 includes at least one lamp 412 and a lamp reflector414. The lamp reflector 414 reflects light generated from the lamp 412toward a light guide plate 422 of the optical member 420. The lamp unit410 may be disposed at one side of the light guide plate 422.Alternatively, two lamp units 410 may be disposed at two side facesopposite to each other.

A cold cathode fluorescent lamp (CCFL) may be employed as the lamp 412.The lamp reflector 414 may include a material having good opticalreflectivity. Alternatively, the lamp reflector 414 may have areflecting layer coated thereon. The lamp reflector 414 reflects lightgenerated from the lamp 412 toward the light guide plate 422 to enhanceluminance.

The optical member 420 includes the light guide plate 422, a lightreflecting sheet 424 and an optical sheet 426.

The light guide plate 422 modifies path of the light generated from thelamp 412. That is, the light generated from the lamp 412 enters thelight guide plate 422 through a side face, and exits the light guideplate 422 through an upper face. The light guide plate 422 may furtherinclude light reflecting patterns (not shown) formed on a lower face inorder to increase an amount of light that exits the light guide plate422 through the upper face.

The light-reflecting sheet 424 is disposed under the light guide plate422. The light-reflecting sheet 424 reflects light that leaks from thelight guide plate 422 through the lower face toward the light guideplate 422. The light reflecting sheet 424 may include a material havinga good optical reflectivity. Alternatively, the light reflecting sheet424 may include a thin film that has a good optical reflectivity and iscoated on a base film of the light reflecting sheet 424.

The optical sheet 426 is disposed on the light guide plate 422. Theoptical sheet 426 enhances optical characteristics such as a luminanceand uniformity of luminance. The optical sheet 426 may include alight-diffusing sheet that enhances the uniformity of luminance. Theoptical sheet 426 may include a prism sheet that enhances luminance. Thebacklight assembly 400 may not include the optical sheet 426.

The receiving container 430 includes a bottom portion and a side portionextended from edge portions of the bottom portion to define a receivingspace. The receiving container 430 receives the lamp unit 410 and theoptical member 420 in sequence.

The backlight assembly 400 may further include a fixing member 440 onthe optical sheet 440. The fixing member 440 is combined with thereceiving container 430 to fix the optical member 420 to the receivingcontainer 430. The fixing member 440 may include plastic or a materialof the chassis 600. The fixing member 440 may include a plurality ofpieces such as the chassis 600.

The backlight assembly 400 in FIG. 8 corresponds to an edge illuminationtype backlight assembly. Alternatively, the LCD 1000 may employ a directillumination type backlight assembly having a plurality of lampsarranged on a receiving container.

The display unit 500 is disposed on the fixing member 440. The displayunit 500 includes an LCD panel 510 that displays images by using thelight provided from the backlight assembly 400, a data printed circuitboard (PCB) 520, and a gate PCB 530 for driving the LCD panel 510.

Driving signals that come from the data PCB 520 and the gate PCB 530 areapplied to the LCD panel 510 through a data flexible printed circuit(FPC) 540 and a gate flexible printed circuit 550 respectively.

Each of the data FPC 540 and the gate FPC 550 can be substituted by atape carrier package (TCP) or a chip on film (COF).

The data FPC 540 may carry a data driver chip, and the gate FPC 550 maycarry a gate driver chip. The data driver chip and the gate driver chipapply the driving signals to the LCD panel 510.

The LCD panel 510 includes a thin film transistor (TFT) substrate 512, acolor filter substrate 514 facing the TFT substrate 512 and a liquidcrystal layer (not shown) interposed between the TFT substrate 512 andthe color filter substrate 514.

The TFT substrate 512 includes a glass substrate having a plurality ofTFTs formed thereon. The TFTs are arranged in a matrix shape. Each ofthe TFTs includes a source electrode that is electrically connected toone of source lines, a gate electrode that is electrically connected toone of gate lines, and a drain electrode that is electrically connectedto a pixel electrode. The pixel electrode can include an opticallytransparent and electrically conductive material such as ITO, IZO, etc.,and the pixel electrode can also include an optically opaque andelectrically conductive materials such as Al, Cr, etc.

The color filter substrate 514 includes a glass substrate having red,green and blue color filters formed thereon. The color filter substrate514 may include a common electrode including optically transparent andelectrically conductive material such as ITO, IZO, etc.

When a gate voltage is applied to the gate electrode of the TFT, the TFTis turned on, so that a pixel voltage is applied to the pixel electrodethrough the TFT. Therefore, electric fields are formed between the pixelelectrode of the TFT substrate 512 and the common electrode of the colorfilter substrate 514.

When electric fields are applied to the liquid crystal between the pixelelectrode and the common electrode, molecules of the liquid crystal arerearranged to change optical transmittance to display black and whiteimages. The black and white images are converted into color images bythe color filters of the color filter substrate 514.

The data PCB 520 is combined with the TFT substrate 512 through the dataTCP 540, so that data signals are applied to the data lines formed onthe TFT substrate 512 through the data PCB 520 and the data TCP 540.

The gate PCB 530 is combined with the TFT substrate 512 through the gateTCP 550, so that gate signals are applied to the gate lines formed onthe TFT substrate 512 through the gate PCB 530 and the gate TCP 550.

The data PCB 520 is disposed along a longitudinal side of the TFTsubstrate 512, and the gate PCB 530 is disposed along a horizontal sideof the TFT substrate 512.

In FIG. 8, the data PCB 520 and the gate PCB 530 are separately formed.Alternatively, the data PCB 520 and the gate PCB 530 are integrallyformed.

The display unit 500 is fixed through a combination between the chassisset 600 and the receiving container 430.

FIG. 9 is a cross-sectional view illustrating a combination between thefirst and the third chassis of a chassis set according to anotherexemplary embodiment of the present invention. The chassis set in FIG. 9may be same as one of chassis sets in FIGS. 1 to 7 except thecombination. Therefore, any further explanation will be omitted.

Referring to FIGS. 4 and 9, the first chassis 110 further includes afirst recessed portion (or a first inverse stepped portion) 116. Thefirst recessed portion 116 is formed at end portions of the firstchassis 110. The first chassis 110 has a thickness to, and a lowerportion is removed to form the first recessed portion 116. In thisexemplary embodiment, an interface between the first recessed portion116 and a first protruding portion 139 is inclined with respect to asurface of the first chassis 110 and a surface of the third chassis 130.Therefore, an impact that is provided from an exterior to the chassisset may be absorbed at the inclined interface between the first chassis110 and the third chassis 130.

According to the present invention, the chassis set includes a pluralityof chassis combined with each other to reduce manufacturing cost andenhance productivity.

Additionally, one chassis includes guide protrusions and other chassisthat is combined with the chassis includes guide holes that correspondto the guide protrusions.

Having described the exemplary embodiments of the present invention andits advantages, it is noted that various changes, substitutions andalterations can be made herein without departing from the spirit andscope of the invention as defined by appended claims.

1. A chassis set, comprising: a first chassis including a firstconnecting portion having at least one guide protrusion; and a secondchassis including a second connecting portion having at least one guidehole that receives the guide protrusion of the first chassis to combinethe first chassis and the second chassis.
 2. The chassis set of claim 1,wherein the guide protrusion comprises a first protrusion, a secondprotrusion, and a third protrusion having an identical shape.
 3. Thechassis set of claim 2, wherein the guide hole has a first hole, asecond hole, and a third hole that receive the first protrusion, thesecond protrusion, and the third protrusion, respectively.
 4. Thechassis set of claim 3, wherein each of the first protrusion, the secondprotrusion, and the third protrusion has a circular cross-sectionalshape.
 5. The chassis set of claim 4, wherein the first hole has acircular shape.
 6. The chassis set of claim 5, wherein the second holehas an oval shape having a first major axis, and the third hole has anoval shape having a second major axis that is substantiallyperpendicular to the first major axis.
 7. The chassis set of claim 1,wherein the first connecting portion is combined with the secondconnecting portion by a screw.
 8. The chassis set of claim 1, whereinthe first connecting portion and the second connecting portion arecombined by spot welding.
 9. The chassis set of claim 1, wherein thefirst chassis and the second chassis further comprise a first recessedportion formed at end portions of the first chassis and a firstprotruding portion that comes out of an end portion of the secondchassis.
 10. A chassis set, comprising: a first chassis including afirst connecting portion having a first guide protrusion and a secondconnecting portion having a second guide protrusion; a second chassissubstantially parallel with the first chassis, the second chassisincluding a third connecting portion having a third guide protrusion anda fourth connecting portion having a fourth guide protrusion; a thirdchassis including a fifth connecting portion having a first guide holethat receives the first guide protrusion of the first chassis to combinethe first chassis and the third chassis and a sixth connecting portionhaving a second guide hole that receives the third guide protrusion tocombine the second chassis and the third chassis; and a fourth chassisincluding a seventh connecting portion having a third guide hole thatreceives the second guide protrusion of the first chassis to combine thefirst chassis and the fourth chassis and an eighth connecting portionhaving a fourth guide hole that receives the fourth guide protrusion tocombine the second chassis and the fourth chassis.
 11. The chassis setof claim 10, wherein the third chassis comprises a first body portionsubstantially perpendicular to the first chassis and the second chassis,a second body portion extended from a first end of the first bodyportion and having the fifth connecting portion, and a third bodyportion extended from a second end of the first body portionsubstantially parallel with the second body portion and having the sixthconnecting portion; and wherein the fourth chassis comprises a fourthbody facing the first body portion of the third chassis, a fifth bodyportion extended from a first end of the fourth body portionsubstantially perpendicular to the fourth body and having the seventhconnecting portion, and a sixth body portion extended from a second endof the fourth body portion substantially parallel with the fifth bodyand having the eighth connecting portion.
 12. The chassis set of claim11, wherein each of the first guide hole, the second guide hole, thethird hole, and the fourth guide hole has a first hole having an ovalshape, and a major axis of the oval shape is substantially parallel witha longitudinal direction of the first chassis.
 13. The chassis set ofclaim 12, wherein each of the first guide hole, the second guide hole,the third guide hole, and the fourth guide hole further has a secondhole having an oval shape, and a major axis of the oval shape issubstantially perpendicular to the longitudinal direction of the firstchassis.
 14. The chassis set of claim 11, wherein each of the firstconnecting portion, the second connecting portion, the third connectingportion, and the fourth connecting portion has at least one hole that ascrew is inserted in.
 15. The chassis set of claim 14, wherein each ofthe fifth, sixth, seventh, and eighth connecting portions has at leastone hole that a screw is inserted in.
 16. A liquid crystal display(LCD), comprising: a backlight assembly that generates light; an LCDpanel that displays images by using the light; and a chassis set thatfixes the liquid crystal display panel to the backlight assembly, thechassis set including a first chassis and a second chassis combined withtogether, the first chassis having a guide protrusion and the secondchassis having a guide hole that receives the guide protrusion.
 17. TheLCD of claim 16, wherein the guide hole has an oval shape.
 18. The LCDof claim 17, wherein another guide hole has an oval shape, and the majoraxes of the two guide holes are substantially perpendicular to eachother.
 19. The LCD of claim 16, wherein each of the first chassis andthe second chassis has a hole, and a screw is inserted into the hole tocombine the first and second chassis.
 20. The LCD of claim 16, whereinthe backlight assembly comprises: a lamp that generates light; anoptical member that modifies characteristics of the light coming fromthe lamp; and a receiving container that receives the lamp and theoptical member.